1923 in paleontology

List of years in paleontology
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Paleontology, palaeontology or palæontology (from Greek: paleo, "ancient"; ontos, "being"; and logos, "knowledge") is the study of prehistoric life forms on Earth through the examination of plant and animal fossils. This includes the study of body fossils, tracks (ichnites), burrows, cast-off parts, fossilised feces (coprolites), palynomorphs and chemical residues. Because mankind has encountered fossils for millennia, paleontology has a long history both before and after becoming formalized as a science. This article records significant discoveries and events related to paleontology that occurred or were published in the year 1923.

Arthropoda

newly named insects

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Archimyrmex	Gen et sp nov	valid	Cockerell	Lutetian	Green River Formation	USA	Extinct Myrmeciin ant genus, type species Archimyrmex rostratus

Archosauromorpha

Newly named dinosaurs

Data courtesy of George Olshevsky's dinosaur genera list.

Name	Status	Author	Age	Unit	Location	Notes	Images
Altispinax	Valid taxon	Friedrich von Huene	Early Cretaceous (middle Valanginian)	Wadhurst Clay Formation	UK	A possible carcharodontosaurid.
Lambeosaurus	Valid taxon	Parks	middle-late Campanian	Dinosaur Park Formation	Canada	A lambeosaurine hadrosaurid.
Lametasaurus	Nomen dubium.	Matley	late Maastrichtian	Lameta Formation	India	A composite of abelisaurid and titanosaur remains.
Pentaceratops	Valid taxon	Henry Fairfield Osborn	late Campanian	Kirtland Formation Fruitland Formation	United States	A chasmosaurine ceratopsid.
"Protiguanodon"	Junior synonym of Psittacosaurus.	Henry Fairfield Osborn	Barremian	Öösh Formation	Mongolia	A junior synonym of the psittacosaurid ceratopsian Psittacosaurus.
Protoceratops	Valid taxon	Granger and Gregory	middle-late Campanian	Djadochta Formation	Mongolia	A protoceratopsid ceratopsian.
"Protrachodon"	Nomen nudum. Junior synonym of Orthomerus.	Nopcsa
Psittacosaurus	Valid taxon	Henry Fairfield Osborn	Barremian	Öösh Formation	Mongolia	A psittacosaurid ceratopsian.
Thecocoelurus	Nomen dubium.	Friedrich von Huene	Barremian	Wessex Formation	England	An ornithomimosaur. New genus for "Thecospondylus" daviesi Seeley, 1888.

Pterosaurs

New taxa

Name	Status	Authors		Age	Unit	Location	Notes
Anurognathus	Valid	Döderlein		Tithonian	Solnhofen Limestone	Germany	An anurognathid.

Synapsids

Non-mammalian

Name	Status	Authors	Age	Unit	Location	Notes	Images
Burnetia	Valid	Robert Broom		Late Permian	Dicynodon Assemblage Zone	South Africa	A biarmosuchian, a member of Burnetiidae.
Dinophoneus	Junior synonym	Robert Broom		Middle Permian	Tapinocephalus Assemblage Zone	South Africa	A titanosuchid. Junior synonym of Jonkeria.